src/demo.spec.ts

@@ -1,7 +0,0 @@
-import { describe, it, expect } from 'vitest';
-
-describe('sum test', () => {
-	it('adds 1 + 2 to equal 3', () => {
-		expect(1 + 2).toBe(3);
-	});
-});

src/lib/api/types/metar.ts

@@ -0,0 +1,42 @@
+export type MetarCloud = {
+    cover: string;
+    base: number | null;
+};
+
+export type Metar = {
+    metar_id: number;
+    icaoId: string;
+    receiptTime: string;
+    obsTime: number;
+    reportTime: string;
+    temp: number;
+    dewp: number;
+    wdir: number;
+    wspd: number;
+    wgst: number | null;
+    visib: string;
+    altim: number;
+    slp: number | null;
+    qcField: number;
+    wxString: string | null;
+    presTend: string | null;
+    maxT: number | null;
+    minT: number | null;
+    maxT24: number | null;
+    minT24: number | null;
+    precip: number | null;
+    pcp3hr: number | null;
+    pcp6hr: number | null;
+    pcp24hr: number | null;
+    snow: number | null;
+    vertVis: number | null;
+    metarType: string;
+    rawOb: string;
+    mostRecent: number;
+    lat: number;
+    lon: number;
+    elev: number;
+    prior: number;
+    name: string;
+    clouds: MetarCloud[];
+};

src/lib/api/weatherservice.ts

@@ -0,0 +1,16 @@
+import type { Metar } from '$lib/api/types/metar';
+
+export const aviationWeatherApi = {
+    /**
+     * Fetches METAR data for a given ICAO code.
+     * @param icao - The ICAO code (e.g., "EGKK")
+     * @returns A Promise resolving to a Metar object or null if not found.
+     */
+    async fetchMetar(icao: string): Promise<Metar | null> {
+        const url = `/api/metar/${encodeURIComponent(icao)}`;
+        const response = await fetch(url);
+        if (!response.ok) throw new Error(`Failed to fetch METAR: ${response.statusText}`);
+        const data = await response.json();
+        return data as Metar | null;
+    }
+};

src/lib/stores/icao.ts

@@ -0,0 +1,3 @@
+import { writable } from 'svelte/store';
+
+export const icao = writable('');

src/routes/+layout.svelte

@@ -5,6 +5,19 @@
     import Section from '$lib/components/Section.svelte';
     import Card from '$lib/components/Cards/Card.svelte';
 
+    import { icao } from '$lib/stores/icao';
+
+    let icaoInput = $state<string>('');
+
+    $effect(() => {
+        // Watch for changes to icaoInput and update the store if exactly 4 chars
+        if (icaoInput.length === 4) {
+            icao.set(icaoInput);
+        } else {
+            icao.set('');
+        }
+    });
+
     let { children } = $props();
 </script>
 
@@ -15,7 +28,7 @@
         class="text-xxl flex w-full items-center justify-center gap-10 px-8 py-4 font-semibold text-green-600"
     >
         <a href="/" class="hover:underline">METAR &#9925;</a>
-		<a href="/taf" class="hover:underline">TAF &#9748;</a>
+        <a href="/taf" class="hover:underline">TAF &#9748;</a>
     </nav>
 
     <div class="container mx-auto flex flex-col items-center justify-center">
@@ -24,12 +37,7 @@
             <Card>
                 <h2 slot="headerLeft">METARIUS</h2>
                 <h2 slot="headerRight">Start Here</h2>
-                <form
-                    slot="content"
-                    class="mx-auto flex w-full max-w-3xl flex-col gap-4 text-lg"
-                    action="https://api.staticforms.xyz/submit"
-                    method="post"
-                >
+                <form slot="content" class="mx-auto flex w-full max-w-3xl flex-col gap-4 text-lg">
                     <div class="flex-space-between flex flex-col gap-10 md:flex-row">
                         <div class="flex-1">
                             <p>
@@ -46,6 +54,7 @@
                                 maxlength="4"
                                 required
                                 placeholder="EGKK"
+                                bind:value={icaoInput}
                             />
                         </div>
                     </div>

src/routes/+page.svelte

@@ -3,8 +3,35 @@
     import Card from '$lib/components/Cards/Card.svelte';
     import { toasts } from 'svelte-toasts';
     import Loading from '$lib/components/Loading.svelte';
-</script>
 
+    import { icao } from '$lib/stores/icao';
+    import { aviationWeatherApi } from '$lib/api/weatherservice';
+    import type { Metar } from '$lib/api/types/metar'
+    import { onDestroy } from 'svelte';
+
+    let metar: Metar | null = null;
+    let loading = false;
+    let error: string | null = null;
+
+    let unsubscribe = icao.subscribe(async (val) => {
+        metar = null;
+        error = null;
+        if (val && val.length === 4) {
+            loading = true;
+            try {
+                const result = await aviationWeatherApi.fetchMetar(val);
+                metar = result;
+                if (!metar) error = 'No METAR found for this ICAO code.';
+            } catch (e) {
+                error = e instanceof Error ? e.message : 'Unknown error';
+            } finally {
+                loading = false;
+            }
+        }
+    });
+
+    onDestroy(() => unsubscribe());
+</script>
 
 <div style="display: none;">
     {toasts.add({
@@ -21,7 +48,25 @@
         <h2 slot="headerLeft">METAR</h2>
         <h2 slot="headerRight">Results</h2>
         <div slot="content" class="flex h-96 w-full items-center justify-center">
-            <Loading></Loading>
+            {#if loading}
+                <Loading />
+            {:else if error}
+                <span class="text-red-600 text-xl">{error}</span>
+            {:else if metar}
+                <div class="text-left text-lg space-y-2">
+                    <div><strong>ICAO:</strong> {metar.icaoId}</div>
+                    <div><strong>Airport:</strong> {metar.name}</div>
+                    <div><strong>Observed:</strong> {metar.reportTime}</div>
+                    <div><strong>Temperature:</strong> {metar.temp}°C</div>
+                    <div><strong>Dew Point:</strong> {metar.dewp}°C</div>
+                    <div><strong>Wind:</strong> {metar.wdir}° at {metar.wspd}kt</div>
+                    <div><strong>Visibility:</strong> {metar.visib}</div>
+                    <div><strong>Pressure:</strong> {metar.altim} hPa</div>
+                    <div><strong>Raw METAR:</strong> <code>{metar.rawOb}</code></div>
+                </div>
+            {:else}
+                <Loading />
+            {/if}
         </div>
     </Card>
 </Section>

src/routes/api/metar/[icao]/+server.ts

@@ -0,0 +1,19 @@
+import type { RequestHandler } from '@sveltejs/kit';
+import type { Metar } from '$lib/api/types/metar';
+
+export const GET: RequestHandler = async ({ params }) => {
+    const icao = params.icao?.toUpperCase();
+    if (!icao || icao.length !== 4) {
+        return new Response(JSON.stringify({ error: 'Invalid ICAO' }), { status: 400 });
+    }
+
+    const url = `https://aviationweather.gov/api/data/metar?ids=${icao}&format=json`;
+    const res = await fetch(url);
+    if (!res.ok) {
+        return new Response(JSON.stringify({ error: 'Failed to fetch METAR' }), { status: 502 });
+    }
+    const data: Metar[] = await res.json();
+    return new Response(JSON.stringify(data[0] ?? null), {
+        headers: { 'Content-Type': 'application/json' }
+    });
+};

src/routes/page.svelte.test.ts

@@ -1,11 +0,0 @@
-import { describe, test, expect } from 'vitest';
-import '@testing-library/jest-dom/vitest';
-import { render, screen } from '@testing-library/svelte';
-import Page from './+page.svelte';
-
-describe('/+page.svelte', () => {
-	test('should render h1', () => {
-		render(Page);
-		expect(screen.getByRole('heading', { level: 1 })).toBeInTheDocument();
-	});
-});